Version 2.39:
+ Possibility to switch toolbar buttons appearance (right click on toolbar and choose icons/text/icons and text)
+ Possibility to choose POP3 Authentication type
+ Fixed: New message saved with "Save" button wasn't deleted from Draft folder when sent
+ Added menu item "Empty" for Trash folder
+ Messages which don't have font specified are now displayed in Arial

Version 2.40:
+ IMAP accounts are now synchronized on refresh (i.e. messages missing on server are deleted from Simple Mail)
+ When account is deleted, confirmation dialog contains "Delete account messages" checkbox
+ Empty Trash and Delete folder confirmations now have "Delete from server" checkbox if these folders contain messages downloaded from server.
+ Account icons are shown in "Refresh" menu
+ Right or middle click on an account address in statusbar "Refresh" menu copies the address to clipboard
+ BCC header is stored in message source in "Sent" folder

Version 2.41:
+ Fixed: Paperclip icon in new message composition window was shifted to the top
+ Fixed: "Delete account messages?" confirmation was displayed above main browser window, not above SM Preferences window.
+ Colorpicker in new message composition window is now more square-like
+ "No mail" status/toolbar icons shadow is removed/lightened, so that it doesn't look blurry
+ New message composition window tab now has favicon.
+ Main SM window favicon is now displayed in FF address bar also.